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Here’s an aerial view of the enormous ACC5 and ACC6 data centers developed by DuPont Fabros. Both facilities house customers in “super wholesale” deals in which a single tenant leases large chunks of data center space. (Photo: DuPont Fabros Technology)

Here's an aerial view of the enormous ACC5 and ACC6 data centers developed by DuPont Fabros. Both facilities house customers in "super wholesale" deals in which a single tenant leases large chunks of data center space. (Photo: DuPont Fabros Technology)

For your weekend reading, here’s a recap of five noteworthy stories that appeared on Data Center Knowledge this past week. Enjoy!

Cloud Builders Still Leasing Data Center Space - Many of the largest cloud computing providers opted to lease new Internet infrastructure in 2012, according to new data from a veteran market watcher. The report highlights the shifting tides in the “buy or build” decision, in which geography and market economics are contributing to a two-tier infrastructure for many of the largest Internet players, with footprints split between company-built data centers and wholesale space.

GSA Hits the 'Like' Button on Open Compute - It just got easier for government agencies to use Facebook’s data center designs if they choose. Hyve Solutions, a division of Synnex which makes servers and storage solutions based on Open Compute designs, has qualified as a government vendor under General Services Administration (GSA) Schedule 70, which puts IT providers on an “approved list,” making it easier for these companies to win government contracts.

Google Offers Free Wifi Internet in Chelsea - Google will provide free Wifi Internet access in the Manhattan neighborhood surrounding its New York headquarters in 111 8th Avenue, a major data center hub and connectivity hub, the company said today. The wireless network in the Chelsea section will be the largest contiguous WiFi network in New York City, the company said.

CyrusOne Sets Range of $16 to $18 for IPO- Cincinnati Bell hopes to raise at least $264 million in the initial public offering (IPO) of CyrusOne, the company’s colocation and data center services business. Shares of CyrusOne will be offered at between $16 and $18 per share, the company said this week.

Extending the Data Center Into the Cloud- How does an administrator effectively scale their data center with other components in the cloud? Identity federation has become an integral part of connecting a data center to the cloud.